CallHound is a free Call Blocker App that automatically rejects blocked or marks unwanted calls. If you are annoyed with the sellers’ intrusive calls or you want to deny someone else's phone calls, simply add the needed numbers to the CallHound app. CallHound is a lightweight and stable application, not requiring a lot of memory and your phone resources.
CallHound features:
Blacklist for calls blocking
Block or mark as unwanted incoming calls from specific numbers by creating Blacklist rules. These rules may be applied only to numbers not being stored in your Contact list.
Unlimited number of personalized spam rules
You can create a filtering rule for as many phone numbers as you want to be blocked. Look how to create Blacklist and Whitelist rules in the FAQ section.
Privacy & Security
To ensure your privacy and safety, CallHound blocker app doesn't collect such information as user id, username, and email. We do not view, collect, save, or share your call log. CallHound has no access to your voice calls. You may choose to disable a call blocking at any time. To do so, remove the filter from the list.
Backups
Link the app to one of your social accounts to back up the rules and use them on other devices to block unwanted & spam calls.
Offline
The app doesn't require an internet connection to work correctly!